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ff3ead96 JS |
1 | #ifndef _LINUX_ALARMTIMER_H |
2 | #define _LINUX_ALARMTIMER_H | |
3 | ||
4 | #include <linux/time.h> | |
5 | #include <linux/hrtimer.h> | |
6 | #include <linux/timerqueue.h> | |
7 | #include <linux/rtc.h> | |
8 | ||
9 | enum alarmtimer_type { | |
10 | ALARM_REALTIME, | |
11 | ALARM_BOOTTIME, | |
12 | ||
13 | ALARM_NUMTYPE, | |
14 | }; | |
15 | ||
180bf812 JS |
16 | /** |
17 | * struct alarm - Alarm timer structure | |
18 | * @node: timerqueue node for adding to the event list this value | |
19 | * also includes the expiration time. | |
20 | * @period: Period for recuring alarms | |
21 | * @function: Function pointer to be executed when the timer fires. | |
22 | * @type: Alarm type (BOOTTIME/REALTIME) | |
23 | * @enabled: Flag that represents if the alarm is set to fire or not | |
24 | * @data: Internal data value. | |
25 | */ | |
ff3ead96 JS |
26 | struct alarm { |
27 | struct timerqueue_node node; | |
28 | ktime_t period; | |
29 | void (*function)(struct alarm *); | |
30 | enum alarmtimer_type type; | |
180bf812 | 31 | bool enabled; |
ff3ead96 JS |
32 | void *data; |
33 | }; | |
34 | ||
35 | void alarm_init(struct alarm *alarm, enum alarmtimer_type type, | |
36 | void (*function)(struct alarm *)); | |
37 | void alarm_start(struct alarm *alarm, ktime_t start, ktime_t period); | |
38 | void alarm_cancel(struct alarm *alarm); | |
39 | ||
40 | #endif |